[PATCH 3/4] ARM: SoCFPGA: remove emac init code
Steffen Trumtrar
s.trumtrar at pengutronix.de
Wed Jan 10 00:14:19 PST 2018
There is a proper driver now that handles the PHY setup for SoCFPGA.
Get rid of the code from mach-socfpga.
Signed-off-by: Steffen Trumtrar <s.trumtrar at pengutronix.de>
---
arch/arm/mach-socfpga/cyclone5-generic.c | 35 --------------------------------
1 file changed, 35 deletions(-)
diff --git a/arch/arm/mach-socfpga/cyclone5-generic.c b/arch/arm/mach-socfpga/cyclone5-generic.c
index 73a8ad03b738..dfb1f49e4d36 100644
--- a/arch/arm/mach-socfpga/cyclone5-generic.c
+++ b/arch/arm/mach-socfpga/cyclone5-generic.c
@@ -161,43 +161,8 @@ static int socfpga_detect_sdram(void)
return 0;
}
-/* Some initialization for the EMAC */
-static void socfpga_init_emac(void)
-{
- uint32_t rst, val;
-
- /* No need for this without network support, e.g. xloader build */
- if (!IS_ENABLED(CONFIG_NET))
- return;
-
- /* According to Cyclone V datasheet, 17-60 "EMAC HPS Interface
- * Initialization", changing PHYSEL should be done with EMAC in reset
- * via permodrst. */
-
- /* Everything, except L4WD0/1, is out of reset via socfpga_lowlevel_init() */
- rst = readl(CYCLONE5_RSTMGR_ADDRESS + RESET_MGR_PER_MOD_RESET_OFS);
- rst |= RSTMGR_PERMODRST_EMAC0 | RSTMGR_PERMODRST_EMAC1;
- writel(rst, CYCLONE5_RSTMGR_ADDRESS + RESET_MGR_PER_MOD_RESET_OFS);
-
- /* Set emac0/1 PHY interface select to RGMII. We could read phy-mode
- * from the device tree, if it was desired to support interfaces other
- * than RGMII. */
- val = readl(CONFIG_SYSMGR_EMAC_CTRL);
- val &= ~(SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << SYSMGR_EMACGRP_CTRL_PHYSEL0_LSB);
- val &= ~(SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << SYSMGR_EMACGRP_CTRL_PHYSEL1_LSB);
- val |= SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII << SYSMGR_EMACGRP_CTRL_PHYSEL0_LSB;
- val |= SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII << SYSMGR_EMACGRP_CTRL_PHYSEL1_LSB;
- writel(val, CONFIG_SYSMGR_EMAC_CTRL);
-
- /* Take emac0 and emac1 out of reset */
- rst &= ~(RSTMGR_PERMODRST_EMAC0 | RSTMGR_PERMODRST_EMAC1);
- writel(rst, CYCLONE5_RSTMGR_ADDRESS + RESET_MGR_PER_MOD_RESET_OFS);
-}
-
static int socfpga_init(void)
{
- socfpga_init_emac();
-
writel(SYSMGR_SDMMC_CTRL_DRVSEL(3) | SYSMGR_SDMMC_CTRL_SMPLSEL(0),
SYSMGR_SDMMCGRP_CTRL_REG);
--
2.11.0
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